THE CITY OF GARY HAD A LONG HISTORY OF VIOLATIONS OF THE EFFLUENT LIMITS OF IT NPDES PERMIT FOR THE GARY SANITARY DISTRICT SEWAGE TREATMENT PLANT. REGION V FIRST INITIATED AN ADMINISTRATIVE ENFORCEMENT PROCEEDING IN JUNE, 1976. THE CASE WAS REFERRED FOR CIVIL LITIGATION IN AUGUST 1977 AND FILED IN JANUARY 1978. IN JANUARY OF 1979 THE COURT ISSUED AN INJUNCTION WHICH REQUIRED THE CITY TO MAKE IMPROVEMENTS TO MEET ITS NPDES LIMITS. SINCE THAT TIME THE CITY OF GARY HAS MADE MAJOR CAPITAL EXPENDITURES TO COME INTO COMPLIANCE. ALL OF THE INJUNCTIVE RELIEF NEEDED TO COME INTO COMPLIANCE IS EMBODIED IN THE CONSENT JUDGMENT AND MUCH OF IT HAS AL- READY BEEN COMPLETED ON THE DATES SPECIFIED IN THE DECREE. MOST OF THE REMAINING REQUIREMENTS HAVE TO DO WITH PROPER OPERATION AND MAINTENANCE.